4-Nonylphenol-di-ethoxylate, 50 µg/ml, Acetone,

Ethyl acetate, 2000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 141-78-6

1-Hydroxyibuprofen, 10mg

4-n-Nonylphenol (ring13C6), 10µg/ml, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no.